Finding the Fourth Proportional to 31,582.91, 43,585.49 and 18,156.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,582.91 : 43,585.49 = 18,156.96 : x
2. Step 2: Convert to fraction form
   31,582.91/43,585.49 = 18,156.96/x
3. Step 3: Cross multiply
   31,582.91x = 43,585.49 × 18,156.96
4. Step 4: Simplify right side
   31,582.91x = 791,380,043.90
5. Step 5: Solve for x
   x = 791,380,043.90/31,582.91
6. Step 6: Final answer
   x = 25,057.22